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| author | Chanwoo Choi <cw00.choi@samsung.com> | 2014-05-09 09:43:10 +0200 |
|---|---|---|
| committer | MyungJoo Ham <myungjoo.ham@samsung.com> | 2014-05-24 15:33:45 +0200 |
| commit | c1b13d4e54d9777dc68c28503728ea63c6bfff37 (patch) | |
| tree | 037e21db97e65841bc9f2ccf726e984a79875d18 /drivers/devfreq | |
| parent | PM / devfreq: Add devm_devfreq_{register,unregister}_opp_notfier function (diff) | |
| download | linux-c1b13d4e54d9777dc68c28503728ea63c6bfff37.tar.xz linux-c1b13d4e54d9777dc68c28503728ea63c6bfff37.zip | |
PM / devfreq: exynos4: Use devm_devfreq_* function using device resource management
This patch uses devm_devfreq_add_device()/devm_devfreq_register_opp_notifier()
to control automatically the resource of devfreq.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Diffstat (limited to 'drivers/devfreq')
| -rw-r--r-- | drivers/devfreq/exynos/exynos4_bus.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/devfreq/exynos/exynos4_bus.c b/drivers/devfreq/exynos/exynos4_bus.c index d257f1fcbaa9..bebb0a42b48e 100644 --- a/drivers/devfreq/exynos/exynos4_bus.c +++ b/drivers/devfreq/exynos/exynos4_bus.c @@ -979,7 +979,7 @@ static int exynos4_busfreq_probe(struct platform_device *pdev) platform_set_drvdata(pdev, data); - data->devfreq = devfreq_add_device(dev, &exynos4_devfreq_profile, + data->devfreq = devm_devfreq_add_device(dev, &exynos4_devfreq_profile, "simple_ondemand", NULL); if (IS_ERR(data->devfreq)) return PTR_ERR(data->devfreq); @@ -991,27 +991,20 @@ static int exynos4_busfreq_probe(struct platform_device *pdev) busfreq_mon_reset(ppmu_data); /* Register opp_notifier for Exynos4 busfreq */ - err = devfreq_register_opp_notifier(dev, data->devfreq); + err = devm_devfreq_register_opp_notifier(dev, data->devfreq); if (err < 0) { dev_err(dev, "Failed to register opp notifier\n"); - goto err_notifier_opp; + return err; } /* Register pm_notifier for Exynos4 busfreq */ err = register_pm_notifier(&data->pm_notifier); if (err) { dev_err(dev, "Failed to setup pm notifier\n"); - goto err_notifier_pm; + return err; } return 0; - -err_notifier_pm: - devfreq_unregister_opp_notifier(dev, data->devfreq); -err_notifier_opp: - devfreq_remove_device(data->devfreq); - - return err; } static int exynos4_busfreq_remove(struct platform_device *pdev) @@ -1020,10 +1013,6 @@ static int exynos4_busfreq_remove(struct platform_device *pdev) /* Unregister all of notifier chain */ unregister_pm_notifier(&data->pm_notifier); - devfreq_unregister_opp_notifier(data->dev, data->devfreq); - - /* Remove devfreq instance */ - devfreq_remove_device(data->devfreq); return 0; } |